Granted Patent
Utility
US 4,808,019 · App. 07/056,094
Unified paper path printer
Inventors:
Allan G. Olson, Tod Heiles
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: May 29, 1987
Inventors
Allan G. Olson
Tod Heiles
Assignee (at issue)
Hewlett-Packard Company, L.P.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.